Home / 144,671.36-199,440.96-106,363.28

Finding the Fourth Proportional to 144,671.36, 199,440.96 and 106,363.28

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Solution

The fourth proportional to 144,671.36, 199,440.96 and 106,363.28 is: 146,630.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,671.36 : 199,440.96 = 106,363.28 : x
  2. Step 2: Convert to fraction form
    144,671.36/199,440.96 = 106,363.28/x
  3. Step 3: Cross multiply
    144,671.36x = 199,440.96 × 106,363.28
  4. Step 4: Simplify right side
    144,671.36x = 21,213,194,671.95
  5. Step 5: Solve for x
    x = 21,213,194,671.95/144,671.36
  6. Step 6: Final answer
    x = 146,630.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.